#region Copyright(c) Vladimir Timashkov. All Rights Reserved.
// -----------------------------------------------------------------------------
// Copyright(c) 2010 Anton Shelin, Vladimir Timashkov. All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   1. No Trademark License - Microsoft Public License (Ms-PL) does not grant you rights to use
//      authors names, logos, or trademarks.
//   2. If you distribute any portion of the software, you must retain all copyright,
//      patent, trademark, and attribution notices that are present in the software.
//   3. If you distribute any portion of the software in source code form, you may do
//      so only under this license by including a complete copy of Microsoft Public License (Ms-PL)
//      with your distribution. If you distribute any portion of the software in compiled
//      or object code form, you may only do so under a license that complies with
//      Microsoft Public License (Ms-PL).
//   4. The names of the authors may not be used to endorse or promote products
//      derived from this software without specific prior written permission.
//
// The software is licensed "as-is." You bear the risk of using it. The authors
// give no express warranties, guarantees or conditions. You may have additional consumer
// rights under your local laws which this license cannot change. To the extent permitted
// under your local laws, the authors exclude the implied warranties of merchantability,
// fitness for a particular purpose and non-infringement.
// -----------------------------------------------------------------------------
#endregion

using System;
using System.Linq;

namespace SharpDom.Attributes
{
    /// <summary>Attribute value containing a MEDIA attribute values</summary>
    internal sealed class MediaValue : AttributeValue<Media>
    {
        /// <summary>Closed constructor</summary>
        private MediaValue() { }

        /// <summary>Conversion from base type of attribute value into attribute value instance</summary>
        /// <param name="value">Base type of attribute value</param>
        /// <returns>Attribute value</returns>
        public static implicit operator MediaValue(Media value)
        {
            return new MediaValue { BaseValue = value };
        }

        /// <summary>Renders the list with commas between</summary>
        public override string ToString()
        {
            return String.Join(",", Enum.GetValues(typeof(Media)).Cast<Media>()
                .Where(x => ((int)x & (int)BaseValue) == (int)x).Select(x => x.ToString()).ToArray());
        }
    }
}